Home / 57,312,364.80-85,968,547.20-36,905,030.40

Finding the Fourth Proportional to 57,312,364.80, 85,968,547.20 and 36,905,030.40

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Solution

The fourth proportional to 57,312,364.80, 85,968,547.20 and 36,905,030.40 is: 55,357,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,364.80 : 85,968,547.20 = 36,905,030.40 : x
  2. Step 2: Convert to fraction form
    57,312,364.80/85,968,547.20 = 36,905,030.40/x
  3. Step 3: Cross multiply
    57,312,364.80x = 85,968,547.20 × 36,905,030.40
  4. Step 4: Simplify right side
    57,312,364.80x = 3,172,671,847,859,835
  5. Step 5: Solve for x
    x = 3,172,671,847,859,835/57,312,364.80
  6. Step 6: Final answer
    x = 55,357,545.60

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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.