Home / 57,708,032.40-86,688,019.80-40,701,920.40

Finding the Fourth Proportional to 57,708,032.40, 86,688,019.80 and 40,701,920.40

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Solution

The fourth proportional to 57,708,032.40, 86,688,019.80 and 40,701,920.40 is: 61,141,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708,032.40 : 86,688,019.80 = 40,701,920.40 : x
  2. Step 2: Convert to fraction form
    57,708,032.40/86,688,019.80 = 40,701,920.40/x
  3. Step 3: Cross multiply
    57,708,032.40x = 86,688,019.80 × 40,701,920.40
  4. Step 4: Simplify right side
    57,708,032.40x = 3,528,368,881,533,223.50
  5. Step 5: Solve for x
    x = 3,528,368,881,533,223.50/57,708,032.40
  6. Step 6: Final answer
    x = 61,141,729.06

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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.