Home / 166,312,547.60-249,090,907.80-105,090,544.40

Finding the Fourth Proportional to 166,312,547.60, 249,090,907.80 and 105,090,544.40

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Solution

The fourth proportional to 166,312,547.60, 249,090,907.80 and 105,090,544.40 is: 157,397,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,312,547.60 : 249,090,907.80 = 105,090,544.40 : x
  2. Step 2: Convert to fraction form
    166,312,547.60/249,090,907.80 = 105,090,544.40/x
  3. Step 3: Cross multiply
    166,312,547.60x = 249,090,907.80 × 105,090,544.40
  4. Step 4: Simplify right side
    166,312,547.60x = 26,177,099,105,792,208
  5. Step 5: Solve for x
    x = 26,177,099,105,792,208/166,312,547.60
  6. Step 6: Final answer
    x = 157,397,018.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.