Home / 93,186,938.40-139,779,095.40-42,068,875.20

Finding the Fourth Proportional to 93,186,938.40, 139,779,095.40 and 42,068,875.20

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Solution

The fourth proportional to 93,186,938.40, 139,779,095.40 and 42,068,875.20 is: 63,102,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,186,938.40 : 139,779,095.40 = 42,068,875.20 : x
  2. Step 2: Convert to fraction form
    93,186,938.40/139,779,095.40 = 42,068,875.20/x
  3. Step 3: Cross multiply
    93,186,938.40x = 139,779,095.40 × 42,068,875.20
  4. Step 4: Simplify right side
    93,186,938.40x = 5,880,349,319,951,495
  5. Step 5: Solve for x
    x = 5,880,349,319,951,495/93,186,938.40
  6. Step 6: Final answer
    x = 63,102,720.41

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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.