Home / 93,312,071.20-139,968,106.80-47,878,458.40

Finding the Fourth Proportional to 93,312,071.20, 139,968,106.80 and 47,878,458.40

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Solution

The fourth proportional to 93,312,071.20, 139,968,106.80 and 47,878,458.40 is: 71,817,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,071.20 : 139,968,106.80 = 47,878,458.40 : x
  2. Step 2: Convert to fraction form
    93,312,071.20/139,968,106.80 = 47,878,458.40/x
  3. Step 3: Cross multiply
    93,312,071.20x = 139,968,106.80 × 47,878,458.40
  4. Step 4: Simplify right side
    93,312,071.20x = 6,701,457,178,750,557
  5. Step 5: Solve for x
    x = 6,701,457,178,750,557/93,312,071.20
  6. Step 6: Final answer
    x = 71,817,687.60

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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.